/* $Header: pneu_int.h,v 2.2 01/10/02 10:28:01 przybyls Exp $ */

/***********************************************************************/
/* INCLUDE FILE NAME: pneu_int.h                                       */
/* ==================                                                  */
/*                                                                     */
/* Author: rick                                                        */
/*                                                                     */
/* COMMENT:  internal constansts and values to control behavior of pneu*/ 
/*                                                                     */
/***********************************************************************/

#ifndef	PNEU_INT_H
#define PNEU_INT_H                                                              



#define       Standard_Pressure      1013250  /* 1 atm dynes/cm^2 */
#define       Standard_Temperature   17482    /* 0 C in 64ths K   */
#define       Normal_Temperature     19081    /* 25C in 64ths K   */
#define       Ideal_Gas_Constant     1299109  /* R, ergs/64Kmole  */

#define ATMP_FLOW_CORRECT_SCALING 16384


#define       He_Ref_Viscosity   186000                   /* nPoise  */
#define       He_Ref_Temp        17481      /* 273.15 * 64   64ths K */

#define       H2_Ref_Viscosity   83500                    /* nPoise  */
#define       H2_Ref_Temp        17481      /* 273.15 * 64   64ths K */

#define       N2_Ref_Viscosity   170700                   /* nPoise  */
#define       N2_Ref_Temp        18140      /* 283.44 * 64   64ths K */

#define       Ar_Ref_Viscosity   170700                   /* nPoise  */
#define       Ar_Ref_Temp        18140      /* 283.44 * 64   64ths K */

/* revisit: need real viscosity data for ArgonMethane */
#define       ArMe_Ref_Viscosity   170700                 /* nPoise  */
#define       ArMe_Ref_Temp        18140    /* 283.44 * 64   64ths K */


#define       COL_MINIMUM_DIAM    (  25 * COLUMN_DIAM_SCALING )
#define       COL_MAXIMUM_DIAM    ( 750 * COLUMN_DIAM_SCALING )

#define       COL_MINIMUM_LEN     (   1 * COLUMN_LEN_SCALING  )
#define       COL_MAXIMUM_LEN     ( 200 * COLUMN_LEN_SCALING  )

#define       COL_MINIMUM_FILM    (   1 * COLUMN_FILM_SCALING )
#define       COL_MAXIMUM_FILM    (  50 * COLUMN_FILM_SCALING )

#define       CF_REF_TEMP         ( (U_INT16)(298.15 * 64) )


#define       INVALID_PS_RANGE    1
#define       INVALID_PS_SCALE    1
#define       INVALID_FS_SCALE    1
#define       INVALID_SPR_SCALE   1


#endif	/* #ifndef FLOW_INT_H */

